Arid desert region old bridge pile foundation protection device and construction method

Abstract

The invention relates to the field of pile foundation protection devices, in particular to an arid desert region old bridge pile foundation protection device and a construction method. The old bridge pile foundation protection device in the arid desert region comprises at least one hexagonal four-side permeable frame, each hexagonal four-side permeable frame comprises six side columns, the six side columns are equal in length, and the hexagonal four-side permeable frame has a use state and a storage state. When the hexagonal four-side water permeable frame is in a use state, the hexagonal four-side water permeable frame is in a triangular pyramid shape. When the hexagonal four-side permeable frame is in a storage state, the length directions of the six side columns are parallel to each other. The hexagonal four-side permeable frame has a storage state and a working state, and when the hexagonal four-side permeable frame is in the working state, the hexagonal four-side permeable frame can be used for slowing down water flow to achieve an emergency rescue effect. When the hexagonal four-side permeable frame is in a storage state, the length directions of the six side columns are parallel to each other. And the occupied space of the hexagonal four-side water permeable frame can be effectively reduced, so that a truck can transport the hexagonal four-side water permeable frame as many as possible.

Description

Technical Field

[0001] This application relates to the field of pile foundation protection devices, and in particular to a pile foundation protection device and construction method for old bridges in arid desert areas. Background Technology

[0002] Desert regions have a dry climate, but due to topography or abnormal weather systems (such as convective clouds or localized severe convection), they may suddenly experience short-duration heavy rainfall ("rainstorms"). These rainstorms are often short in duration (tens of minutes to several hours) and intense (hourly rainfall can reach tens of millimeters), far exceeding the annual average. Desert surfaces have sparse vegetation and poor soil permeability, causing rainwater to rapidly accumulate into surface runoff, forming flash floods (mountain torrents / sudden floods), which can severely impact bridges.

[0003] Many old bridges were designed to withstand floods based on historical climate data, but historical rainfall records in desert areas may be missing or underestimated. With climate change increasing the probability of extreme rainfall, these old bridges may not be able to withstand "above-standard" floods. Furthermore, the foundation piles, having been in a dry environment for a long time, are susceptible to foundation instability when suddenly flooded, as riverbed sediments can be eroded.

[0004] Therefore, protective devices are needed to protect bridge pier foundations during heavy rain. In related technologies, hexagonal permeable frames can be used for bank protection and emergency repairs. Due to the arid climate of desert areas, the use of hexagonal permeable frames is rare; therefore, they usually need to be transported quickly from distant locations to the corresponding bridge piers. However, in related technologies, the sides of the hexagonal permeable frame are connected by welding, which makes it difficult to effectively utilize the internal space during transportation, resulting in low transportation efficiency. Summary of the Invention

[0005] The purpose of this application is to provide a protective device and construction method for old bridge pile foundations in arid desert areas that can improve transportation efficiency.

[0006] To solve the above-mentioned technical problems, the purpose of this application is achieved through the following technical solution:

[0007] A protective device for the pile foundation of an old bridge in an arid desert area includes at least one hexagonal four-sided permeable frame. Each hexagonal four-sided permeable frame includes six side posts of equal length. The hexagonal four-sided permeable frame has a working state and a retracted state. When the hexagonal four-sided permeable frame is in the working state, its shape is a triangular pyramid. When the hexagonal four-sided permeable frame is in the retracted state, the length directions of the six side posts are parallel to each other.

[0008] In some embodiments, when the hexagonal four-sided permeable frame is in the retracted state, at least three of the side posts are located on the same straight line.

[0009] In some embodiments, when the six-side four-face water-permeable frame is in the storage state, three of the side columns are located on a same straight line, and the other two side columns are located on another straight line.

[0010] In some embodiments, the six side columns are a first side column, a second side column, a third side column, a fourth side column, a fifth side column, and a sixth side column; the first side column, the second side column, and the third side column constitute a bottom frame part, and the fourth side column, the fifth side column, and the sixth side column constitute a standing part. One end of the second side column is rotationally connected to the first side column, and the other end is rotationally connected to the third side column. When the six-side four-face water-permeable frame is in the working state, the first side column is connected to the third side column. When the six-side four-face water-permeable frame is in the storage state, the first side column is separated from the third side column, and the first side column, the second side column, and the third side column are located on a same straight line.

[0011] In some embodiments, the six-side four-face water-permeable frame further comprises:

[0012] a first connecting member, when the six-side four-face water-permeable frame is in the working state, the first connecting member connects the first side column and the third side column; when the six-side four-face water-permeable frame is in the storage state, the first connecting member is separated from at least one of the first side column or the third side column.

[0013] a second connecting member, the second connecting member is fixedly connected to one of the first side column or the second side column, and rotationally connected to the other one;

[0014] a third connecting member, the third connecting member is fixedly connected to one of the second side column or the third side column, and rotationally connected to the other one.

[0015] In some embodiments, the first connecting member is rotationally connected to one end of the first side column, and the rotation axis is parallel to the rotation axis of the first side column and the second side column; when the six-side four-face water-permeable frame is in the working state, the first connecting member is in contact with the third side column, and when the six-side four-face water-permeable frame is in the storage state, the first connecting member is separated from the third side column.

[0016] In some embodiments, the fourth side column is rotationally connected to the first connecting member, and the rotation axis is perpendicular to the rotation axis of the first connecting member.

[0017] In some embodiments, the second connecting member comprises:

[0018] a lower part, the lower part connects the first side column and the second side column;

[0019] An upper part, which is rotationally connected with the lower part, and the rotation axis is parallel to the rotation axis of the first side column and the second side column;

[0020] The fifth side column is rotationally connected with the upper part, and the rotation axis is perpendicular to the rotation axis of the upper part.

[0021] In some embodiments, the hexagonal four-sided water-permeable frame further comprises a fixing cover, which connects one end of the fourth side column, the fifth side column and the sixth side column away from the bottom frame part;

[0022] The fixing cover is provided with a hook, which is configured to cooperate with another hexagonal four-sided water-permeable frame or with a crane.

[0023] The application also provides a construction method, characterized in that it comprises the following steps:

[0024] S1 transportation: transporting several hexagonal four-sided water-permeable frames in a storage state to a working position;

[0025] S2 assembly: assembling the hexagonal four-sided water-permeable frames in a storage state into a working state;

[0026] S3 stacking: stacking several hexagonal four-sided water-permeable frames, and gradually reducing from bottom to top, the hooks of the lower four-sided water-permeable frames cooperate with the upper four-sided water-permeable frames;

[0027] S4 hoisting: hoisting the stacked hexagonal four-sided water-permeable frames to the corresponding old bridge pile foundation, and locating them on the upstream side of the old bridge pile foundation.

[0028] The embodiments of the application provide a device for protecting old bridge pile foundations in arid desert areas and a construction method. The protection device comprises at least one hexagonal four-sided water-permeable frame. The hexagonal four-sided water-permeable frame has a storage state and a working state. When in the working state, it can be used to slow down the water flow and play a role in emergency rescue. When the hexagonal four-sided water-permeable frame is in the storage state, the length directions of the six side columns are parallel to each other. The device can effectively reduce the floor space occupied by the hexagonal four-sided water-permeable frame, and thus can enable trucks to transport as many hexagonal four-sided water-permeable frames as possible. BRIEF DESCRIPTION OF DRAWINGS

[0029] In order to more clearly illustrate the technical solutions of the embodiments of the application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are some embodiments of the application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0030] Figure 1 is a perspective view of the hexagonal four-sided water-permeable frame in the working state in an embodiment of the application.

[0031] Figure 2 is a perspective view of the partial hexagonal four-face water permeable frame in the storage state in an embodiment of the present application.

[0032] Figure 3 is Figure 2 is a bottom view of the partial hexagonal four-face water permeable frame in the state of the first connecting piece and the fourth edge column being rotated 180°.

[0033] Figure 4 is Figure 3 is a perspective view of the partial hexagonal four-face water permeable frame in the state of the first connecting piece and the fourth edge column being rotated 150°.

[0034] Figure 5 is Figure 4 is a bottom view of the partial hexagonal four-face water permeable frame in the state of the first connecting piece and the fourth edge column being rotated 120°.

[0035] Figure 6 is Figure 5 is a perspective view of the partial hexagonal four-face water permeable frame in the state of the first connecting piece and the fourth edge column being rotated 120°.

[0036] Figure 7 is Figure 6 is a bottom view of the partial hexagonal four-face water permeable frame in the state of the first connecting piece and the fourth edge column being rotated 60°.

[0037] Figure 8 is Figure 7 is a perspective view of the partial hexagonal four-face water permeable frame in the state of the third edge column being rotated 120°.

[0038] Figure 9 is Figure 8 is a bottom view of the partial hexagonal four-face water permeable frame in the state of the first edge column being rotated 120° and the fourth edge column being rotated upward 60°.

[0039] Figure 10 is Figure 9 is a perspective view of the hexagonal four-face water permeable frame in the state of the first edge column being rotated 120° and the fourth edge column being rotated upward 60°.

[0040] Figure 11 is Figure 10 is a top view of the hexagonal four-face water permeable frame.

[0041] Figure 12 is Figure 11 is a perspective view of the partial hexagonal four-face water permeable frame in the state of the fifth edge column and the sixth edge column being rotated to the working state.

[0042] Figure 13 is Figure 12 is a top view of the hexagonal four-face water permeable frame.

[0043] Figure 14 is a schematic view of the connection of two partial hexagonal four-face water permeable frames.

[0044] Figure 15 is Figure 1 is a top view of the hexagonal four-face water permeable frame.

[0045] Figure 16 is a schematic view of the positional relationship between a plurality of hexagonal four-face water permeable frames and an old bridge pile foundation from above.

[0046] 001, hexagonal four-face water permeable frame; 10, first side column; 20, second side column; 30, third side column; 40, fourth side column; 50, fifth side column; 60, sixth side column; 70, first connecting piece; 71, first baffle; 72, second baffle; 80, second connecting piece; 81, lower part; 82, upper part; 90, third connecting piece; 100, fixed cover; 101, hook; 002, pile foundation. DETAILED DESCRIPTION

[0047] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0048] It should be understood that the terms “comprise” and “include” as used in the specification and the appended claims indicate the presence of the described features, integers, steps, operations, elements, and / or components but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and / or groups thereof.

[0049] It should also be understood that the terms used in the present application specification are only for the purpose of describing specific embodiments and are not intended to limit the present application. As used in the present application specification and the appended claims, unless otherwise clearly indicated by the context, the singular forms “a”, “an” and “the” are intended to include the plural forms as well.

[0050] It should be further understood that the term “and / or” as used in the present application specification and the appended claims means any combination of one or more of the associated listed items and all possible combinations thereof, and includes these combinations.

[0051] It should be noted that when “-” is used to represent a range in the present embodiments, the end point value should be included, for example, 1-10, which should be understood as greater than or equal to 1 and less than or equal to 10.

[0052] The desert area has a dry climate, but is affected by terrain or abnormal weather systems (such as convective clouds, local strong convection), and can suddenly form short-time heavy rain ("rainstorm"). Such rainstorms are often short in time (tens of minutes to hours) and strong in intensity (hourly rainfall can reach tens of millimeters), far exceeding the annual average level. The desert surface has sparse vegetation and poor soil permeability, and rainwater quickly collects into surface runoff, forming sudden floods (flash floods), which have a strong impact on bridges.

[0053] Many old bridges were designed according to historical climate data when they were built, but the historical rainstorm records in the desert area may be missing or underestimated. Under the background of climate change, the probability of extreme rainfall increases, and the old bridge may not be able to withstand "over-standard" floods. And the pile foundation is in a dry environment for a long time, when it suddenly encounters a flood, the riverbed sediments are easily eroded, causing the foundation to be unstable.

[0054] Therefore, a protection device is needed to protect the pile foundation of the bridge during a rainstorm. In the related art, a six-sided four-sided water permeable frame can be used for bank protection and rescue. Since the desert area has a dry climate, the six-sided four-sided water permeable frame is rarely used, so it is usually necessary to quickly transport the six-sided four-sided water permeable frame from a distant place to the corresponding bridge pile. In the related art, the sides of the six-sided four-sided water permeable frame are connected by welding, and the internal space of the six-sided four-sided water permeable frame cannot be effectively utilized during transportation, resulting in low transportation efficiency.

[0055] Therefore, an embodiment of the present application provides a dry desert area old bridge pile foundation protection device, which comprises at least one six-sided four-sided water permeable frame, each six-sided four-sided water permeable frame comprising six side columns, the six-sided four-sided water permeable frame having a use state and a storage state. When the six-sided four-sided water permeable frame is in the use state, the shape of the six-sided four-sided water permeable frame is a triangular pyramid. When the six-sided four-sided water permeable frame is in the storage state, the length directions of the six side columns are parallel to each other.

[0056] The six-sided four-sided water permeable frame has a storage state and a working state, and when it is in the working state, it can be used to slow down the water flow and play a role in rescue. When the six-sided four-sided water permeable frame is in the storage state, the length directions of the six side columns are parallel to each other. The six-sided four-sided water permeable frame can effectively reduce the occupied space, and the truck can transport as many six-sided four-sided water permeable frames as possible.

[0057] An embodiment of the present application provides a dry desert area old bridge pile foundation protection device, please refer to Figure 1 and Figure 2 , Figure 1 is a perspective view of the six-sided four-sided water permeable frame in the working state in an embodiment of the present application. Figure 2 is a perspective view of part of the six-sided four-sided water permeable frame in the storage state in an embodiment of the present application.

[0058] The old bridge pile foundation protection device in the arid desert region comprises at least one six-sided four-faced water-permeable frame 001, each six-sided four-faced water-permeable frame 001 comprises six edge columns, and the six-sided four-faced water-permeable frame 001 has a use state and a storage state.

[0059] When the six-sided four-faced water-permeable frame 001 is in the use state, the shape of the six-sided four-faced water-permeable frame 001 is a triangular pyramid, which can be used to slow down the water flow and play a role in rescue.

[0060] When the six-sided four-faced water-permeable frame 001 is in the storage state, the length directions of the six edge columns are parallel to each other. The six-sided four-faced water-permeable frame 001 can effectively reduce the occupied space, and thus a truck can transport as many six-sided four-faced water-permeable frames 001 as possible. It can be understood that the length directions of the six edge columns are parallel to each other, which can be completely parallel or substantially parallel. Substantially parallel can be understood as parallel within a certain error range, for example, the included angle between two edge columns is within 2°.

[0061] The six-sided four-faced water-permeable frame 001 has a working state and a storage state, and can effectively improve the transportation efficiency while maintaining its original function.

[0062] It should be noted that the number of six-sided four-faced water-permeable frames 001 in the protection device is not limited, and can be one or more, which is determined according to the diameter of the old bridge pile foundation 002 to be protected, the depth of the riverbed, etc.

[0063] In some embodiments, when the six-sided four-faced water-permeable frame 001 is in the storage state, at least three edge columns are located on the same straight line.

[0064] The at least three edge columns can be located on the same straight line, or four, five or six edge columns can be located on the same straight line. When three edge columns are located on the same straight line, the other three edge columns are not limited, for example, the other three edge columns can also be located on the same straight line.

[0065] In some embodiments, when the six-sided four-faced water-permeable frame 001 is in the storage state, three edge columns are located on the same straight line, and the other two edge columns are located on another straight line. The position of the remaining one edge column is not limited, which can be located on another straight line, or located on the same straight line as the three edge columns or on the same straight line as the two edge columns.

[0066] In some embodiments, the lengths of the six edge columns are equal. It should be noted that equal lengths can be understood as complete equality or substantial equality. Complete equality means that the lengths are exactly the same, and substantial equality can be understood as having a certain error within a construction range or without affecting the use effect, but still being able to form the six-sided four-faced water-permeable frame 001.

[0067] In some embodiments, the material of the six edge columns is stainless steel, which has sufficient weight to reduce the possibility of the hexagonal four-sided water permeable frame 001 being washed away by water and also to reduce the possibility of rusting.

[0068] Please refer to Figures 1 to 15 The hexagonal four-sided water permeable frame 001 includes a bottom frame portion and a standing portion. The bottom frame portion is composed of three edge columns, and the standing portion is composed of the other three edge columns. The six edge columns are a first edge column 10, a second edge column 20, a third edge column 30, a fourth edge column 40, a fifth edge column 50, and a sixth edge column 60. The first edge column 10, the second edge column 20, and the third edge column 30 constitute the bottom frame portion, and the fourth edge column 40, the fifth edge column 50, and the sixth edge column 60 constitute the standing portion.

[0069] In the above embodiment, one end of the second edge column 20 is rotatably connected to the first edge column 10, and the other end is rotatably connected to the third edge column 30. When the hexagonal four-sided water permeable frame 001 is in the working state, the first edge column 10 is connected to the third edge column 30. When the hexagonal four-sided water permeable frame 001 is in the storage state, the first edge column 10 is separated from the third edge column 30, and the first edge column 10, the second edge column 20, and the third edge column 30 are located on the same straight line. Since the two ends of the second edge column 20 are rotatably connected to the first edge column 10 and the third edge column 30, respectively, in the storage state, the first edge column 10, the second edge column 20, and the third edge column 30 can be located on the same straight line, and in the working state, the first edge column 10, the second edge column 20, and the third edge column 30 can form a triangle.

[0070] At this time, the connection mode of the fourth edge column 40, the fifth edge column 50, and the sixth edge column 60 is not limited and can be insertion connection, rotary connection, or other connection modes.

[0071] It should be noted that the way the second edge column 20 is rotatably connected to the first edge column 10 and the third edge column 30 is not limited and can be direct rotary connection or indirect rotary connection.

[0072] In some embodiments, the hexagonal four-sided water permeable frame 001 further includes a first connecting piece 70, a second connecting piece 80, and a third connecting piece 90. When the hexagonal four-sided water permeable frame 001 is in the working state, the first connecting piece 70 connects the first edge column 10 and the third edge column 30. When the hexagonal four-sided water permeable frame 001 is in the storage state, the first connecting piece 70 is separated from at least one of the first edge column 10 or the third edge column 30. The second connecting piece 80 is fixedly connected to one of the first edge column 10 or the second edge column 20 and rotatably connected to the other. The third connecting piece 90 is fixedly connected to one of the second edge column 20 or the third edge column 30 and rotatably connected to the other.

[0073] For the convenience of description, the following will be described with the first connecting piece 70 connected with the first side column 10, the third side column 30 being detachably connected, the second connecting piece 80 fixedly connected with the second side column 20, the first side column 10 being rotatably connected, and the third connecting piece 90 fixedly connected with the third side column 30, the second side column 20 being rotatably connected.

[0074] In some embodiments, the first connecting piece 70 is rotatably connected with one end of the first side column 10, and the rotation axis is parallel to the rotation axis of the first side column 10 and the second side column 20. When the hexagonal four-face water permeable frame 001 is in the working state, the first connecting piece 70 is in contact with the third side column 30, and when the hexagonal four-face water permeable frame 001 is in the storage state, the first connecting piece 70 is separated from the third side column 30.

[0075] It should be noted that the connection can be fixed connection, rotary connection or contact, for example, when the first connecting piece 70 is in contact with the third side column 30, it can also be understood that the first connecting piece 70 is in contact with the third side column 30.

[0076] In some embodiments, when the included angle between the first side column 10 and the second side column 20 is 60°, the first side column 10 is in contact with the second side column 20, so as to block the included angle between the first side column 10 and the second side column 20 from being further reduced, so as to start the positioning effect.

[0077] Correspondingly, when the second side column 20 and the third side column 30 are 90°, the second side column 20 and the third side column 30 are in contact.

[0078] In some embodiments, the first connecting piece 70 is provided with a first baffle 71 and a second baffle 72. When the first connecting piece 70 is in contact with the third side column 30, the first baffle 71 is in contact with the first side column 10, so as to block the first connecting piece 70 from rotating towards the third side column 30. The second baffle 72 is in contact with the third side column 30, so as to block the third side column 30 from rotating away from the first side column 10, and the third side column 30 is in contact with the second side column 20, which can block the second side column 20 from rotating towards the first side column 10, so as to realize the position stability of the second side column 20.

[0079] In some embodiments, the fourth side column 40 is rotatably connected with the first connecting piece 70, and the rotation axis is perpendicular to the rotation axis of the first connecting piece 70.

[0080] When the first connecting piece 70 is in contact with the third side column 30, the projection position in the vertical direction, the fourth side column 40 can be located between the first side column 10 and the second side column 20, and the fourth side column 40 can form one edge of the tetrahedron by rotating the fourth side column 40 upwards.

[0081] When it is necessary to be accommodated, the first connecting piece 70 can be rotated to enable the fourth edge column 40 to be parallel to the first edge column 10, so as to reduce the occupied space.

[0082] In some embodiments, the second connecting piece 80 comprises a lower part 81 and an upper part 82, the lower part 81 connects the first edge column 10 and the second edge column 20, and is fixedly connected with the second edge column 20 and rotatably connected with the first edge column 10. The upper part 82 is rotatably connected with the lower part 81, and the rotation axis is parallel to the rotation axis of the first edge column 10 and the second edge column 20. The fifth edge column 50 is rotatably connected with the upper part 82, and the rotation axis is perpendicular to the rotation axis of the upper part 82.

[0083] By setting the upper part 82 rotatably connected with the lower part 81, the angle of the fourth edge column 40 can be adjusted, and when in the accommodation state, the fifth edge column 50 can be parallel to the second edge column 20, so as to reduce the occupied space.

[0084] Optionally, the second connecting piece 80 and the third connecting piece 90 are the same in shape, that is, the third connecting piece 90 also comprises an upper part 82 and a lower part 81.

[0085] In some embodiments, the hexagonal four-face water-permeable frame 001 further comprises a fixing cover 100, which connects one end of the fourth edge column 40, the fifth edge column 50 and the sixth edge column 60 away from the bottom frame part.

[0086] Optionally, the bottom of the fixing cover 100 can be provided with a corresponding jack to enable the corresponding edge column to be inserted into the jack and fixed by a bolt.

[0087] The fourth edge column 40, the fifth edge column 50 and the sixth edge column 60 can be fixed by the fixing cover 100, so that the hexagonal four-face water-permeable frame 001 can remain stable.

[0088] It should be noted that the way of fixing the fifth edge column 50, the fifth edge column 50 and the sixth edge column 60 is not limited to using the fixing cover 100. For example, the fourth edge column 40, the fifth edge column 50 and the sixth edge column 60 can also be in contact with each other and fixed by a bolt or the like.

[0089] In some embodiments, the fixing cover 100 is provided with a hook 101, which is configured to cooperate with another hexagonal four-face water-permeable frame 001 or with a crane.

[0090] The hook 101 can cooperate with other hexagonal four-face water-permeable frames, so that multiple roadside four-face water-permeable frames can form a whole, and the crane can lift multiple hexagonal four-face water-permeable frames 001 at a time and place them in the corresponding positions, which can effectively improve the delivery efficiency of the hexagonal four-face water-permeable frame 001.

[0091] In some embodiments, the hook 101 is capable of sliding in the vertical direction, and when the hook 101 slides upward, one side of the hook 101 has a gap with the top end of the fixed cover 100. The first connecting piece 70, the second connecting piece 80, and the third connecting piece 90 are each provided with a corresponding clamping hole, so that the hook 101 can be inserted into the corresponding clamping hole.

[0092] The sliding mode of the hook 101 is not limited, for example, the hook 101 can be automatically dropped by a tension spring, or only a corresponding sliding groove is provided, and the hook 101 can be manually or gravitationally slid.

[0093] Please refer to Figures 1 to 16 The embodiment of the present application also provides a construction method, characterized by comprising the following steps.

[0094] S1 transportation: transporting a plurality of six-sided four-sided water permeable frames 001 in a storage state to a working position;

[0095] S2 assembly: assembling the six-sided four-sided water permeable frames 001 in the storage state into a working state;

[0096] S3 stacking: stacking a plurality of six-sided four-sided water permeable frames 001, and gradually reducing from bottom to top, the hook 101 of the lower four-sided water permeable frame cooperates with the upper four-sided water permeable frame;

[0097] S4 hoisting: hoisting the stacked six-sided four-sided water permeable frames 001 to the corresponding old bridge pile foundation 002, and locating on the upstream side of the old bridge pile foundation 002.

[0098] Among them, the step S2 assembly comprises:

[0099] S21: rotating the first edge column 10 and the third edge column 30 to form a bottom frame part;

[0100] S22: rotating the fourth edge column 40, the fifth edge column 50, and the sixth edge column 60, and inserting into the corresponding position of the fixed cover 100 to form a standing part.

[0101] The step S3 stacking comprises:

[0102] S31: arranging in a triangular manner to form the bottom layer, and increasing one column in each column, that is, the first column is 1, the second column is 2, and the nth column is n.

[0103] S32: stacking in the vertical direction, each layer is arranged in a triangular manner, and the intersection of the upper layer and the lower layer is less than one column, and the upper and lower layers are matched by the hook 101 and the clamping hole.

[0104] The above merely provides the specific implementation of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope disclosed by the present application, and these modifications or replacements should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A protective device for the pile foundation of an old bridge in an arid desert area, comprising at least one hexagonal four-sided permeable frame, each of the hexagonal four-sided permeable frame comprising six side columns of equal length, characterized in that... The hexagonal, four-sided permeable frame has both a usable state and a stored state. When the hexagonal four-sided permeable frame is in use, the shape of the hexagonal four-sided permeable frame is a triangular pyramid; When the hexagonal four-sided permeable frame is in the stored state, the length directions of the six side posts are parallel to each other.

2. The protection device for old bridge pile foundations in arid desert areas according to claim 1, characterized in that, When the hexagonal four-sided permeable frame is in the storage state, at least three of the side posts are located on the same straight line.

3. The protection device for old bridge pile foundations in arid desert areas according to claim 2, characterized in that, When the hexagonal four-sided permeable frame is in the storage state, three of the side posts are located on the same straight line, and the other two side posts are located on another straight line.

4. The protection device for old bridge pile foundations in arid desert areas according to claim 2, characterized in that, The six side pillars are the first side pillar, the second side pillar, the third side pillar, the fourth side pillar, the fifth side pillar, and the sixth side pillar; the first side pillar, the second side pillar, and the third side pillar constitute the bottom frame part, and the fourth side pillar, the fifth side pillar, and the sixth side pillar constitute the standing part; One end of the second side post is rotatably connected to the first side post, and the other end is rotatably connected to the third side post; When the hexagonal four-sided permeable frame is in working condition, the first side post is connected to the third side post; When the hexagonal four-sided permeable frame is in the storage state, the first side post and the third side post are separated, and the first side post, the second side post and the third side post are located on the same straight line.

5. The protection device for old bridge pile foundations in arid desert areas according to claim 4, characterized in that, The hexagonal four-sided permeable frame also includes: The first connector connects the first side post and the third side post when the hexagonal four-sided permeable frame is in the working state; when the hexagonal four-sided permeable frame is in the storage state, the first connector is separated from at least one of the first side post or the third side post. The second connector is fixedly connected to one of the first side post or the second side post, and rotatably connected to the other; The third connector is fixedly connected to one of the second side post or the third side post, and rotatably connected to the other.

6. The protection device for old bridge pile foundations in arid desert areas according to claim 5, characterized in that, The first connector is rotatably connected to one end of the first side post, and the axis of rotation is parallel to the axis of rotation of the first side post and the second side post. When the hexagonal four-sided permeable frame is in working state, the first connector is in contact with the third side post. When the hexagonal four-sided permeable frame is in storage state, the first connector is separated from the third side post.

7. The protection device for old bridge pile foundations in arid desert areas according to claim 6, characterized in that, The fourth side post is rotatably connected to the first connecting member, and the axis of rotation is perpendicular to the axis of rotation of the first connecting member.

8. The protection device for old bridge pile foundations in arid desert areas according to claim 6, characterized in that, The second connector includes: The lower part connects the first side post and the second side post; The upper part is rotatably connected to the lower part, and the axis of rotation is parallel to the axis of rotation of the first side post and the second side post; The fifth side post is rotatably connected to the upper part, and the axis of rotation is perpendicular to the axis of rotation of the upper part.

9. The protection device for old bridge pile foundations in arid desert areas according to claim 4, characterized in that, The hexagonal four-sided permeable frame also includes a fixing cover, which connects the fourth side post, the fifth side post and the end of the sixth side post away from the bottom frame. The fixed cover is provided with hooks, which are configured to cooperate with another of the hexagonal four-sided permeable frames or with a crane.

10. A construction method, characterized in that, Includes the following steps: S1 Transportation: Transport several hexagonal, four-sided permeable frames in their stored state to the work location; S2 Assembly: Assemble the hexagonal, four-sided permeable frame from its storage state into its working state; S3 stacking: Several hexagonal four-sided permeable frames are stacked and arranged in a manner that gradually decreases from bottom to top. The hooks of the lower four-sided permeable frames cooperate with the upper four-sided permeable frames. S4 hoisting: Hoist the stacked hexagonal four-sided permeable frame to the corresponding old bridge pile foundation, located on the upstream side of the old bridge pile foundation.

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